Artorias, The Stargazer

First Strike

When this card attacks a player, choose any number-
• All creatures able to block this card must do so.
• This card deals 3 damage to any target.
• Tap target creature.

Whenever this card deals combat damage to a player, each
player reveals the top card of their library. You may cast a
spell from among the revealed cards without paying its
mana cost.